|
| year | imports | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 2.34 | NA |
| 1987 | 2.80 | 20.00 % |
| 1988 | 2.80 | -0.27 % |
| 1989 | 2.80 | 0.27 % |
| 1990 | 2.80 | 0.00 % |
| 1991 | 2.80 | -0.16 % |
| 1992 | 6.99 | 149.71 % |
| 1993 | 10.98 | 57.10 % |
| 1994 | 11.10 | 1.06 % |
| 1995 | 9.35 | -15.79 % |
| 1996 | 12.47 | 33.38 % |
| 1997 | 12.50 | 0.29 % |
| 1998 | 17.27 | 38.11 % |
| 1999 | 18.51 | 7.17 % |
| 2000 | 18.64 | 0.73 % |
| 2001 | .58 | -96.87 % |
| 2002 | .58 | 0.00 % |
| 2003 | .70 | 20.00 % |
| 2004 | .54 | -23.54 % |
| 2005 | .44 | -17.16 % |
| 2006 | .33 | -26.32 % |
| 2007 | .40 | 21.43 % |
| 2008 | .37 | -5.88 % |
| 2009 | .26 | -31.25 % |
| 2010 | .23 | -9.09 % |
|
|